13887010720 has 48 divisors (see below), whose sum is σ = 35790618528. Its totient is φ = 5049821440.

The previous prime is 13887010703. The next prime is 13887010721. The reversal of 13887010720 is 2701078831.

It is a self number, because there is not a number n which added to its sum of digits gives 13887010720.

It is not an unprimeable number, because it can be changed into a prime (13887010721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3943414 + ... + 3946933.

It is an arithmetic number, because the mean of its divisors is an integer number (745637886).

Almost surely, 2^13887010720 is an apocalyptic number.

13887010720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13887010720 is an abundant number, since it is smaller than the sum of its proper divisors (21903607808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13887010720 is a wasteful number, since it uses less digits than its factorization.

13887010720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890373 (or 7890365 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 13887010720 in words is "thirteen billion, eight hundred eighty-seven million, ten thousand, seven hundred twenty".